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A 190 g ball moving at 0.45 m/s in the + x- direction is subject to a 0.15 N force in the - y- direction for 2.5 s.
1. Find the magnitude of the ball's momentum change.
2. Find the ball's final speed.
3. Find the angle between the ball's final velocity and the positive x direction. Please show the answer and how you got it.
Charges of 3.00 nC, -2.00 nC, -7.00 nC, and 1.00 nC are contained inside a rectangular box with length 1.00 m, What is the electric flux through the surface of the box
An object's temperature increases, and in so doing its radiation power increases by a factor of 2.00.find the ratio of the new temperature to the original temperature
If the car is now at rest and the pendulum undergoes S.H.M. would its time be shorter of longer than that calculated in (b) explain your answer.
A solid ball of mass .30kg and radius .053m is rolling without slipping along a horizontal surface with a linear speed of 2.3m/s. obtain is its total Kinetic energy
In order to drop a Pyrex glass marble 1.003 in diameter through the hole in the plate, how much must the temperature of the system be raised
imagine that you have a 510 , a 860 , and a 1.1 resistor. What is the maximum resistance you can obtain by combining these.
Consider a long wire that makes a right angle (90°) bend. If the wire carries a current I, what is the magnetic field at point A
If the player hears the sound of the splash 3.19 s later, illustrate what was the initial speed given to the rock? Assume the speed of sound in air to be 343 m/s.
In a vacuum, two particles have charges of q1 and q2, where q1 = +3.66 ?C. They are separated by a distance of 0.213 m,
A spring has a force constant of 100 N/m and an unstretched length of .07 m. One end is attached to a post that is free to rotate in the center of a smooth table.
The rotational inertia of a collapsing spinning star changes to 1/4 its initial value. What is the ratio of the new rotational kinetic energy to the initial rotational kinetic energy.
A 70Kg diver steps off a 10 m tower and drops from rest straight down into the water. If he comes to rest 5.0 m beneath the surface, decide average resistive force exerted on him by the water.
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